Finding the Third Proportional to 3,782,718 and 8,208,441

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782,718 : 8,208,441 = 8,208,441 : x
2. Step 2: Convert to fraction form
   3,782,718/8,208,441 = 8,208,441/x
3. Step 3: Cross multiply
   3,782,718x = 8,208,441 × 8,208,441
4. Step 4: Simplify right side
   3,782,718x = 67,378,503,650,481
5. Step 5: Solve for x
   x = 67,378,503,650,481/3,782,718
6. Step 6: Final answer
   x = 17,812,193.15